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Cytomegalovirus (CMV) Genomic Mutation Detection (Serum/Plasma)

Published: August 9, 2026Updated: August 16, 2026

This test checks for specific genetic mutations in your body’s cells that may be linked to cytomegalovirus (CMV) infection. It helps determine if you have a genetic predisposition to CMV-related health issues.

Quick summary

["This test may help assess risk for CMV-related complications or guide treatment decisions."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
33631-3
Short code
CMV UL54 gene Mut Det Islt
Synonyms
CMV UL54 gene Mut Det Islt
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why This Test Is Done

Your healthcare provider may order this test if you have a history of CMV infection, are immunocompromised (e.g., due to HIV, chemotherapy, or organ transplant), or if you’re at higher risk for CMV-related illnesses. It can also be used in research or genetic counseling contexts.

How the Test Works

A small blood sample is taken to analyze DNA from your cells. Special laboratory techniques identify any mutations in the CMV genome that may affect how your body responds to the virus.

Sample Collection

Blood is drawn from a vein, usually in your arm. You may feel a slight pinch, but it’s a quick process. The sample is sent to a lab for detailed genetic analysis.

What to Expect After Testing

Results are typically reported as positive (mutation detected) or negative (no mutation found). Follow-up may include additional testing, monitoring, or discussions with your provider about prevention or treatment strategies.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

CMV mutations can influence how the virus behaves in your body. For example, certain mutations may increase the risk of severe infections, especially in people with weakened immune systems. This test helps tailor care to address potential risks or guide preventive measures.

Short name

CMV Gene Mutation Test

Frequently asked questions

What does a positive result mean?
A positive result indicates the presence of specific genetic mutations linked to CMV. This may suggest a higher likelihood of CMV-related complications, particularly if you’re immunocompromised. Your provider will discuss next steps, such as monitoring, preventive strategies, or further testing.
How soon will I get my results?
Results are usually available within 1–2 weeks, depending on lab processing times. Your healthcare provider will contact you directly with the findings.
Can this test be used for routine screening?
No, this test is typically not used for routine screening. It’s usually ordered based on clinical suspicion of CMV-related genetic factors, prior infection history, or specific medical needs.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy